FATFreq Grand Maestro VS PMG Audio Apx
IEM Comparison: Expert & Community Scores Side-by-Side
FATFreq Grand Maestro and PMG Audio Apx use 1DD+8BA+4EST and 1DD+8BA+2PL driver setups respectively. FATFreq Grand Maestro costs $3,334 while PMG Audio Apx costs $6,650. PMG Audio Apx is $3,316 more expensive. FATFreq Grand Maestro holds a slight 0.1-point edge in reviewer scores (8.4 vs 8.3). PMG Audio Apx has slightly better bass with a 0.3-point edge, PMG Audio Apx has significantly better mids with a 1.2-point edge, PMG Audio Apx has better treble with a 0.5-point edge, FATFreq Grand Maestro has better dynamics with a 0.5-point edge, PMG Audio Apx has significantly better details with a 2.3-point edge and PMG Audio Apx has significantly better imaging with a 1.3-point edge.
Insights
| Metric | FATFreq Grand Maestro | PMG Audio Apx |
|---|---|---|
| Bass | 7.8 | 8 |
| Mids | 6.8 | 8 |
| Treble | 7.5 | 8 |
| Details | 6.8 | 9 |
| Soundstage | 9 | 8.3 |
| Imaging | 7.3 | 8.5 |
| Dynamics | 8.5 | 8 |
| Tonality | 8.2 | 8 |
| Technicalities | 8 | 8.5 |
FATFreq Grand Maestro Aggregated Review Score
Average Reviewer Scores
PMG Audio Apx Aggregated Review Score
Average Reviewer Scores
FATFreq Grand Maestro Details
Driver Configuration: 1DD+8BA+4EST
Tuning Type: Configurable - Bass-focused to balanced
Price (Msrp): $3,334
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PMG Audio Apx Details
Driver Configuration: 1DD+8BA+2PL
Tuning Type: U-Shaped
Price (Msrp): $6,650
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FATFreq Grand Maestro User Review Score
Average User Scores
Average User Score: n/a
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PMG Audio Apx User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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FATFreq Grand Maestro Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.6Gaming Grade
B+PMG Audio Apx Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.9Gaming Grade
B+FATFreq Grand Maestro Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- Refined execution with coherent frequency integration. Natural timbre reproduction and engaging presentation. Strong versatility.
Average Technical Grade
A+- Very competent with articulate presentation. Well-defined layers and precise imaging. Soundstage is immersive and handles dynamics well.
PMG Audio Apx Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- Refined execution with coherent frequency integration. Natural timbre reproduction and engaging presentation. Strong versatility.
Average Technical Grade
S-- Excellent clarity and detail. Precise imaging and expansive soundstage. Manages complex passages with minimal smearing and good transient speed.
FATFreq Grand Maestro Reviews
Reviewed by: Jays Audio
9.5
Reviewer Score
Jays Audio Youtube Channel
Reviewed by: Jaytiss
9.3
Reviewer Score
Jaytiss Youtube Channel
Reviewed by: Smirk Audio
7.7
Reviewer Score
Reviewed by: Nymz
6.5
Reviewer Score
Reviewed by: IEMRanking AI
9
Reviewer Score
The FATFreq Grand Maestro offers a highly adaptable sound signature through its NOAH modules and vocal switches, enabling four distinct tuning profiles. The black NOAH module emphasizes sub-bass "slam," while the blue variant provides tighter "rumble" control; combined with the vocal switch, these allow shifts from a bass-forward signature to a more mid-centric presentation. Bass is deep and authoritative but avoids midrange bleed, while the treble—handled by electrostatic drivers—delivers clarity without sibilance or fatigue.
Technically, it excels in imaging precision and creates an immersive, three-dimensional soundstage that positions instruments with remarkable specificity. However, its large shell size may challenge those with smaller ears, and it demands power-hungry sources—often requiring high-gain amplification to reach full potential. The deluxe package includes both NOAH modules and an upgraded cable, enhancing its tuning flexibility.
PMG Audio Apx Reviews
Reviewed by: Smirk Audio
8.3
Reviewer Score
FATFreq Grand Maestro User Reviews
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